oak streets in san francisco. jackson lived on masonic. >> it's hard to look at it and not think, you know, that this is it, or this was very, very likely that this is what happened. >> reporter: kevin's brother steven found out last night from police that when kevin vanished, officers knew of jackson's 1991 connection to a kidnapping and molestation of a 7-year-old boy in san francisco. in february of '84, police interviewed jackson, and they searched his house. >> so that's my brother mike and myself here, gary, and kevin. >> reporter: but in 1984, police did not know about jackson's arrest for molesting two boys in canada in 1973, because he went under another name after he jumped bail, he fled to the united states. police dug up the basement in jackson's former masonic street home last month and found bones, but probably animal bones. miss say they know where jackson is now.